diff --git a/arch/powerpc/lib/sstep.c b/arch/powerpc/lib/sstep.c
index 11f14b209d7f7c0d3961edb1ee5f4982ab334599..683f7c20f74b36a17cfa6e927d9f0897f869966f 100644
--- a/arch/powerpc/lib/sstep.c
+++ b/arch/powerpc/lib/sstep.c
@@ -1916,7 +1916,7 @@ int analyse_instr(struct instruction_op *op, const struct pt_regs *regs,
 				goto compute_done;
 			}
 
-			return -1;
+			goto unknown_opcode;
 #ifdef __powerpc64__
 		case 777:	/* modsd */
 			if (!cpu_has_feature(CPU_FTR_ARCH_300))